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Finding the Fourth Proportional to 116,548.71, 174,823.07 and 77,096.60

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Solution

The fourth proportional to 116,548.71, 174,823.07 and 77,096.60 is: 115,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,548.71 : 174,823.07 = 77,096.60 : x
  2. Step 2: Convert to fraction form
    116,548.71/174,823.07 = 77,096.60/x
  3. Step 3: Cross multiply
    116,548.71x = 174,823.07 × 77,096.60
  4. Step 4: Simplify right side
    116,548.71x = 13,478,263,502.91
  5. Step 5: Solve for x
    x = 13,478,263,502.91/116,548.71
  6. Step 6: Final answer
    x = 115,644.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.